Junction Diode Multiple Choice Questions Answers


31. The static VI characteristics of a junction diode can be described by the equation called


   A.Child's three half-power law

   B.Boltzmann diode equation

   C.Einstein's photoelectric equation

   D.Richardson-Dushman equation


✔ View Answer


B.Boltzmann diode equation

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32. In case of alloy junction diode, the width of depletion layer 'w' is proportional to


   A.Cube of reverse voltage

   B.Square root of reverse voltage

   C.Cube root of reverse voltage

   D.Square of reverse voltage


✔ View Answer


B.Square root of reverse voltage

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33. The space charge region in a junction diode contains charges that are


   A.Fixed donor and acceptor ions

   B.Majority carriers only

   C.Minority carriers only

   D.Mobile donor and acceptor ions


✔ View Answer


A.Fixed donor and acceptor ions

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34. The reverse saturation current in junction diode is independent of


   A.Potential barrier

   B.Junction area

   C.Doping of 'P' and 'N' type region

   D.Temperature


✔ View Answer


B.Junction area

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35. When reverse bias is applied to a junction diode


   A.Potential barrier is lowered

   B.Majority carrier current is increased

   C.Minority carrier current is increased

   D.Potential barrier is raised


✔ View Answer


D.Potential barrier is raised

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